diff options
Diffstat (limited to 'arch/ppc/include')
| -rw-r--r-- | arch/ppc/include/asm/io.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/ppc/include/asm/io.h b/arch/ppc/include/asm/io.h index 13187cae24..00529898dd 100644 --- a/arch/ppc/include/asm/io.h +++ b/arch/ppc/include/asm/io.h @@ -105,6 +105,34 @@ extern void _outsl_ns(volatile u32 *port, const void *buf, int nl); #define iobarrier_w() eieio() /* + * Non ordered and non-swapping "raw" accessors + */ +static inline unsigned char __raw_readb(const volatile void __iomem *addr) +{ + return *(volatile unsigned char __force *)(addr); +} +static inline unsigned short __raw_readw(const volatile void __iomem *addr) +{ + return *(volatile unsigned short __force *)(addr); +} +static inline unsigned int __raw_readl(const volatile void __iomem *addr) +{ + return *(volatile unsigned int __force *)(addr); +} +static inline void __raw_writeb(unsigned char v, volatile void __iomem *addr) +{ + *(volatile unsigned char __force *)(addr) = v; +} +static inline void __raw_writew(unsigned short v, volatile void __iomem *addr) +{ + *(volatile unsigned short __force *)(addr) = v; +} +static inline void __raw_writel(unsigned int v, volatile void __iomem *addr) +{ + *(volatile unsigned int __force *)(addr) = v; +} + +/* * 8, 16 and 32 bit, big and little endian I/O operations, with barrier. */ extern inline int in_8(volatile u8 *addr) |